We are a national engineering and technical staffing agency specializing in recruiting VRF Technicians for commercial, industrial, and mixed‑use environments. Our client is a leading mechanical services provider supporting Houston’s rapidly expanding high‑rise office towers, medical centers, petrochemical facilities, multi‑family developments, and large commercial campuses.
Their service teams install, commission, troubleshoot, and maintain advanced VRF/VRV systems from major OEMs including Daikin, Mitsubishi, LG, Samsung, and Fujitsu. With Houston’s extreme heat, humidity, and dense commercial growth, this role is essential for delivering reliable, energy‑efficient HVAC performance across the Gulf Coast region.
Typical Duties and Responsibilities
- Install, service, and troubleshoot VRF/VRV systems including heat recovery, heat pump, and multi‑zone configurations.
- Perform commissioning, startup, and system programming for VRF equipment and controls.
- Diagnose issues with compressors, EEVs, sensors, branch selector boxes, fan coils, and communication networks.
- Conduct refrigerant recovery, leak detection, vacuuming, and system charging in compliance with EPA regulations.
- Interpret VRF wiring diagrams, piping schematics, refrigerant circuit layouts, and manufacturer documentation.
- Use OEM software and diagnostic tools for system configuration and troubleshooting.
- Verify proper refrigerant piping installation, flare quality, insulation, and line‑set routing.
- Perform preventive maintenance including filter changes, coil cleaning, sensor calibration, and system inspections.
- Troubleshoot communication errors, network issues, and control system faults.
- Collaborate with BAS teams to integrate VRF systems with building automation platforms.
- Document service activities, commissioning reports, refrigerant logs, and system performance data.
- Provide recommendations for repairs, replacements, and system optimization.
- Communicate effectively with facility managers, building engineers, and project teams.
- Ensure compliance with EPA 608 regulations, ASHRAE standards, IMC, IECC, and Texas mechanical codes.
- Maintain clean, safe work areas and follow all OSHA and company safety protocols.
- Participate in ongoing OEM training, certification programs, and technical development.
Education
- Technical diploma or associate degree in HVAC/R, Mechanical Technology, or related field preferred.
- Equivalent hands‑on experience with VRF/VRV systems may be considered.
Required Skills and Experience
- 5+ years of experience servicing or installing commercial HVAC systems, with at least 2+ years focused on VRF/VRV.
- Strong understanding of VRF system design, refrigerant circuits, and multi‑zone operation.
- Experience with Daikin, Mitsubishi, LG, Samsung, Fujitsu, or similar VRF platforms.
- Ability to troubleshoot compressors, EEVs, sensors, branch boxes, and communication networks.
- Familiarity with OEM diagnostic software and VRF commissioning tools.
- Ability to read and interpret mechanical drawings, wiring diagrams, and piping schematics.
- Strong knowledge of EPA 608 regulations, ASHRAE standards, and Texas mechanical codes.
- Experience with digital gauges, multimeters, vacuum pumps, recovery machines, and diagnostic tools.
- Strong communication, customer service, and documentation skills.
- Valid driver’s license and clean driving record.
Preferred Qualifications
- EPA 608 Universal Certification.
- OEM certifications from Daikin, Mitsubishi, LG, Samsung, or Fujitsu.
- Experience with VRF integration into BAS platforms such as Tridium Niagara, Metasys, or Siemens Desigo.
- Background in hospitals, high‑rise buildings, petrochemical facilities, or multi‑family developments.
- Knowledge of DOAS units, energy‑recovery ventilation, and high‑humidity system optimization.
- Certifications such as NATE, HVAC Excellence, or mechanical trade licenses.
